US11936438B2 - Interference finding method and apparatus, receiving device, and transmitting device - Google Patents

Interference finding method and apparatus, receiving device, and transmitting device Download PDF

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Publication number
US11936438B2
US11936438B2 US17/261,853 US201917261853A US11936438B2 US 11936438 B2 US11936438 B2 US 11936438B2 US 201917261853 A US201917261853 A US 201917261853A US 11936438 B2 US11936438 B2 US 11936438B2
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measurement
receiving
threshold value
configuration information
channel occupancy
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US20210297170A1 (en
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Li Niu
Yajun Zhao
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application relates to the technical field of communications and, in particular, to an interference finding method and apparatus, a receiving device, and a transmitting device.
  • the beamforming technique may also be widely used for high-frequency unlicensed spectrums.
  • a transmitting device such as a base station
  • a receiving device such as a terminal
  • the competition between transmitting devices becomes a kind of interference.
  • the interference relationship is more complicated than that of the licensed spectrum.
  • the present application provides an interference finding method and apparatus, a receiving device, a transmitting device and a storage medium so as to at least solve that the interference cannot be distinguished at a beam level in the related art.
  • An interference finding method provided in the present disclosure includes steps described below.
  • Measurement configuration information configured by a transmitting device is received.
  • a receiving measurement is performed on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • An interference finding method provided in the present disclosure includes steps described below.
  • Measurement configuration information of a receiving device is configured.
  • the measurement configuration information is sent to the receiving device; the measurement configuration information is used for instructing the receiving device to perform a receiving measurement on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • An interference finding apparatus provided in the present disclosure includes a reception module and a measurement module.
  • the reception module is configured to receive measurement configuration information configured by a transmitting device.
  • the measurement module is configured to perform, according to the measurement configuration information, a receiving measurement on a transmit beam associated with the measurement configuration information, where the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • An interference finding apparatus provided in the present disclosure includes a configuration unit and a sending unit.
  • the configuration unit is configured to configure measurement configuration information of a receiving device.
  • the sending unit is configured to send the measurement configuration information to the receiving device; the measurement configuration information is used for instructing the receiving device to perform a receiving measurement on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • a receiving device provided in the present disclosure includes a memory and a processor.
  • the memory is configured to store a computer program.
  • the processor executes the computer program to perform the above-mentioned method applied to the receiving device.
  • a transmitting device provided in the present disclosure includes a memory and a processor.
  • the memory is configured to store a computer program.
  • the processor executes the computer program to perform the above-mentioned method applied to the transmitting device.
  • a computer-readable storage medium is provided in the present disclosure, where the computer-readable storage medium is configured to store a first computer program and a second computer program.
  • the first computer program is executable by at least one processor to implement the above-mentioned method applied to the receiving device.
  • the second computer program is executable by at least one processor to implement the above-mentioned method applied to the transmitting device.
  • the present application implements the measurement technique of distinguishing the interference in the beam level, thereby not only helping the transmitting device and the receiving device to find a suitable service beam, but also helping the transmitting device and the receiving device to monitor the spectrum load.
  • FIG. 1 is a schematic diagram of an interference finding method according to an embodiment one of the present disclosure
  • FIG. 2 is a flowchart of an interference finding method according to the embodiment one of the present disclosure
  • FIG. 3 is a flowchart of an interference finding method according to an embodiment two of the present disclosure
  • FIG. 4 is a flowchart of an interference finding method according to an embodiment three of the present disclosure.
  • FIG. 5 is a flowchart of an interference finding method according to an embodiment four of the present disclosure.
  • FIG. 6 is a structural diagram of a receiving device according to an embodiment five of the present disclosure.
  • FIG. 7 is a structural diagram of a transmitting device according to an embodiment six of the present disclosure.
  • the unlicensed spectrum has high flexibility in use, more frequency band selections and greater bandwidth, such as 2.4 gigahertz (GHz). Therefore, the use of the unlicensed spectrums to provide services for users is becoming an option of the operator.
  • the unlicensed spectrum is a shared spectrum, the user must obtain the right to use of the spectrum through competition. That is, the user needs to preempt the spectrum before sending data. If the preemption is successful, the data may be sent; otherwise, it will continue to wait for a next success.
  • LBT listen before talk
  • CSMA carrier sense multiple access
  • the competition between nodes becomes a kind of interference.
  • an interference relationship is more complicated than that of the licensed spectrum.
  • WIFI wireless fidelity
  • these competition relationships may only be perceived by surrounding nodes.
  • WIFI nodes exist near the terminal, and the base station may not be able to find the WIFI nodes surrounding the terminal and schedules the terminal to send the data. But due to the WIFI interference or competition, the terminal receives relatively bad interference and cannot even obtain the use of the spectrum, and the WIFI nodes are hidden nodes for the base station.
  • the two measurement quantities include a received signal strength indicator (RSSI) and a channelOccupancy.
  • RSSI received signal strength indicator
  • the terminal measures all received power (including co-channel signals, adjacent channel interference, thermal noise, etc.) on a measurement frequency band to obtain an RSSI value.
  • the terminal calculates an average of RSSI values to obtain the measurement quantity, the RSSI, and calculates the percentage of RSSI sample values greater than a threshold to obtain the measurement quantity, the channelOccupancy.
  • the measurement quantity, the RSSI may measure the magnitude of interference which may be experienced in the spectrum.
  • the base station may instruct a spectrum with relatively small interference to the terminal.
  • the measurement quantity, the channelOccupancy may measure a preemption probability of the spectrum. Assuming that the terminal reports the channelOccupancy, if the base station determines that it is difficult for the terminal to preempt the spectrum, the base station may instruct a spectrum which is easier to be preempted for the terminal.
  • a high-frequency unlicensed spectrum may also be applied to actual network deployment scenarios, especially in 5 GHz, 37 GHz and 60 GHz, there is very large available bandwidth.
  • the beamforming technique may also be widely used for the high-frequency unlicensed spectrum.
  • the base station uses a plurality of beam directions for performing transmission.
  • a receive beam may also be used to receive a transmit beam of a node, thus, a corresponding relationship between the transmit beam and the receive beam is formed. It can be seen that each pair of the transmit beam and the receive beam may have an independent interference relationship.
  • the measurement quantities, the RSSI and the channelOccupancy, in the related art cannot satisfy the demand.
  • the RSSI measurement and channelOccupancy measurement in the related art cannot find that the terminal has WIFI interference in the direction of beam 1 , moreover, there is no interference in other beam directions. So, an introduction of measurement quantities in the beam level is considered to find interference on the beam and help the base station and the terminal to find a suitable service beam.
  • the transmitting device may configure the receiving device to perform a receiving measurement on a transmit beam, and the receiving device performs the receiving measurement on the transmit beam according to the corresponding receive beam.
  • An embodiment of the present disclosure provides an interference finding method. As shown in FIG. 2 , the method includes steps described below.
  • step S 101 measurement configuration information configured by a transmitting device is received.
  • step S 102 a receiving measurement is performed on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • the method in the embodiment of the present disclosure is applied to a receiving device, where the receiving device may also be described as a receiving-end device, may be a terminal in a communication system; and the transmitting device may also be described as a sending-end device, and may be a base station or a node in the communication system.
  • the receiving measurement is performed on the transmit beam associated with the measurement configuration information, so that the measurement technique for distinguishing interference in the beam level is achieved, thereby helping the transmitting device and the receiving device to find a suitable service beam, and also helping the transmitting device and the receiving device to monitor the spectrum load.
  • the base station may configure the terminal to perform the measurement on a transmit beam, and the terminal will perform the receiving measurement on a transmit beam according to the corresponding receive beam.
  • the transmit beam may be identified by related information of the transmit beam, where the related information of the transmit beam may be a beam identifier (ID)/synchronization broadcast block (SSB) index/channel state information reference signal (CSI-RS) resource ID, etc., corresponding to the transmit beam.
  • ID beam identifier
  • SSB synchronization broadcast block
  • CSI-RS channel state information reference signal
  • the base station may configure the terminal to perform the RSSI and/or channelOccupancy measurement on a transmit beam, and the configured measurement configuration information is associated with the beam ID/SSB index/CSI-RS resource ID, etc., that is, the associated transmit beam may be represented by the related information of the transmit beam.
  • the CSI-RS represents a channel state information reference signal
  • the SSB represents a synchronous broadcast block.
  • the measurement configuration information includes a measurement configuration, and/or a measurement object configuration, and/or a measurement report configuration, and/or a management configuration, and/or a radio link monitoring (RLM) configuration; where the measurement configuration may be a configuration of a measurement parameter.
  • RLM radio link monitoring
  • the measurement object configuration information may include an association relationship between the RSSI and/or the channel occupancy measurement configuration and beam ID/SSB index/CSI-RS resource ID, etc., may also include the related information of the transmit beam, such as the beam ID/SSB index/CSI-RS resource ID, and includes a measurement parameter of the receiving measurement, such as a measurement moment/symbol (including a period, an offset, a duration, etc.).
  • the measurement object configuration information may include at least one of: an association relationship between the related information of the transmit beam and the measurement configuration; the related information of the transmit beam; or the measurement parameter of the receiving measurement.
  • associated transmit beams correspond to different measurement configurations; for example, the beam ID/SSB index/CSI-RS resource ID, etc. correspond to different RSSI measurement configurations and/or different channelOccupancypaney measurement configurations.
  • the RSSI measurement configuration and/or channel occupancy measurement configuration is a list, and each item in the list is one measurement configuration, where in each measurement configuration, an identifier is defined and associates the candidate beam ID/SSB index/CSI-RS resource ID, etc. with the measurement moment/symbol.
  • the candidate beam ID/SSB index/CSI-RS resource ID, etc. may have a one-to-one correspondence with the measurement moment/symbol, and each associated beam ID/SSB index/CSI-RS resource ID, etc. may be configured with a different measurement moment/symbol.
  • the associated transmit beams correspond to a same measurement configuration; for example, the beam ID/SSB index/CSI-RS resource ID, etc. corresponds to a same RSSI and/or channel occupancy measurement configuration.
  • the RSSI and/or channel occupancy measurement configuration includes all candidate beam IDs/SSB indexes/CSI-RS resource IDs, etc.
  • the candidate beam IDs/SSB indexes/CSI-RS resource IDs, etc. may be a list, and all the candidate beam IDs/SSB indexes/CSI-RS resource IDs, etc. are configured with a same measurement moment/symbol.
  • the base station may not configure the associated beam IDs/SSB indexes/CSI-RS resource IDs, etc., but it is determined by the beam ID/SSB index/CSI-RS resource ID, etc. notified by system information or by the beam ID/SSB index/CSI-RS resource ID, etc. which may be measured and detected by the terminal.
  • a node may not configure the associated beam ID/SSB index/CSI-RS resource ID, etc., but it is determined by a reference signal configuration measured by reference signal receiving power (RSRP)/reference signal receiving quality (RSRQ)/a signal to interference plus noise ratio (SINR).
  • RSRP reference signal receiving power
  • RSRQ reference signal receiving quality
  • SINR signal to interference plus noise ratio
  • the base station configures also in the measurement report configuration that the terminal reports the measurement report associated with the beam ID/SSB index/CSI-RS resource ID, etc.
  • the measurement report may include that:
  • the base station configures the terminal to perform periodic measurement reporting.
  • the node configures the terminal to perform an event triggering measurement reporting.
  • the event which may be configured includes one of:
  • the base station configures the terminal to perform aperiodic measurement reporting/one-time measurement reporting.
  • the base station may urge the terminal to perform the receiving measurement and report the measurement result through a media access control (MAC)/physical (PHY) command.
  • MAC media access control
  • PHY physical
  • the MAC/PHY command carries the beam ID/SSB index/CSI-RS resource ID, etc., where the beam ID/SSB index/CSI-RS resource ID, etc., is the association relationship in the above-mentioned measurement object configuration;
  • the MAC/PHY command defaults that the terminal measures all the beam IDs/SSB indexes/CSI-RS resource IDs, etc., or that the terminal detects and identifies beam IDs/SSB indexes/CSI-RS resource IDs, etc.
  • the terminal After receiving the measurement configuration, the terminal performs the RSSI and/or channel occupancy measurement according to the associated beam ID/SSB index/CSI-RS resource ID, etc.
  • the method may include a step described below.
  • a measurement report which is associated with the transmit beam and obtained according to the receiving measurement is reported.
  • the base station further configures the terminal to measure beam directions corresponding to a beam ID/SSB index/CSI-RS resource ID, etc.; and the terminal measures all received power at the corresponding beam direction and the corresponding measurement moment (including the period, the offset, the duration, etc.) to obtain RSSI sample values in these beam directions, and then processes for each beam respectively to obtain the RSSI and/or channel occupancy value of each beam.
  • the terminal may also trigger and report the RSSI and/or channel occupancy value of the beam level according to the measurement object configuration and the measurement report configuration.
  • the triggering condition may include:
  • the measurement report may include at least one of the measurement results described below.
  • the measurement results may include the beam ID/SSB index/CSI-RS resource ID, etc. associated with the measurement result of each beam, for example:
  • the above measurement results of the beam levels may be reported by the terminal to a high layer of the terminal or to the base station.
  • the method may include a step described below.
  • Radio link quality is evaluated according to a measurement report obtained based on the receiving measurement.
  • the step in which the radio link quality is evaluated according to the measurement report obtained based on the receiving measurement may include a step described below.
  • the received signal strength indicator obtained according to the receiving measurement is greater than a first received signal strength threshold value; or during the evaluation period, the channel occupancy obtained according to the receiving measurement is greater than a first channel occupancy threshold value.
  • the method may also include a step described below.
  • a serviceable beam is determined according to the measurement report obtained based on the receiving measurement, where the serviceable beam satisfies one of the following conditions.
  • the received signal strength indicator obtained according to the receiving measurement is not greater than a second received signal strength threshold value; or the channel occupancy obtained according to the receiving measurement is not greater than a second channel occupancy threshold value.
  • An embodiment of the present disclosure provides an interference finding method. As shown in FIG. 3 , the method includes steps described below.
  • step S 201 measurement configuration information configured by a transmitting device is received.
  • step S 202 a receiving measurement is performed on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • a serviceable beam is determined according to the measurement report of the receiving measurement, and the serviceable beam satisfies one of the following conditions:
  • the terminal selects the optimal beam based on a layer 1-RSRP (L1-RSRP).
  • L1-RSRP layer 1-RSRP
  • the L1-RSRP may only determine the signal quality of the transmit beam and cannot determine the interference in the beam direction. Therefore, for the beam management, a beam with small interference may also be selected according to the RSSI and/or channelOccupancy measurement in the beam direction.
  • the base station configures the RSSI/channelOccupancy for the management configuration of the beam management.
  • the base station configures whether the RSSI and/or channelOccupancy are required for the beam management.
  • the base station configures on which candidate beams of the terminal the RSSI and/or channelOccupancy measurement needs to be performed.
  • the base station configures the moment/symbol of measuring the RSSI and/or channelOccupancy, such as the period, offset, and duration. Different moments/symbols of the RSSI and/or channelOccupancy may be configured for different candidate beams, or a same moment/symbol of the RSSI and/or channelOccupancy may be configured for different candidate beams.
  • the base station configures an RSSI threshold 1 (i.e., the second received signal strength threshold value) and/or a channelOccupancy threshold 2 (i.e., the second channel occupancy threshold value) for the candidate beam.
  • RSSI threshold 1 i.e., the second received signal strength threshold value
  • channelOccupancy threshold 2 i.e., the second channel occupancy threshold value
  • the base station may also configure the terminal to report the configuration of the RSSI and/or channel occupancy, where the configuration of the RSSI and/or channel occupancy includes a report type, periodic or aperiodic, a reported period of a physical uplink control channel (PUCCH), a timeslot, a symbol, and a reported frequency domain position of the PUCCH.
  • the configuration of the RSSI and/or channel occupancy includes a report type, periodic or aperiodic, a reported period of a physical uplink control channel (PUCCH), a timeslot, a symbol, and a reported frequency domain position of the PUCCH.
  • PUCCH physical uplink control channel
  • the base station may also instruct the terminal to report the RSSI and/or channelOccupancy of the candidate beam through a MAC control element (CE)/physical downlink control channel (PDCCH).
  • CE MAC control element
  • PDCH physical downlink control channel
  • the terminal After the terminal receives these configurations, if the terminal is configured to perform the RSSI and/or channel occupancy measurement, the terminal performs the RSSI and/or channel occupancy measurement on the candidate beam at the measurement moment/symbol to obtain the measurement result.
  • the serviceable beam is selected according to the threshold configured by the base station.
  • the condition may be one of that:
  • the terminal determines the beam to be the serviceable beam.
  • the terminal may synthesize a cell-level RSSI through the RSSI of the beam level.
  • the terminal obtains the RSSI and/or channelOccupancy of each beam through the measurement.
  • Several beam results may be selected according to the configuration of the node to obtain the RSSI and/or channelOccupancy representing the cell level. There are some examples.
  • the base station configures/broadcasts a value of N.
  • the base station may not configure/broadcast the value of N, and a default value of N is the number of all beams.
  • the base station may further configure/broadcast a threshold value.
  • the terminal selects some beam results from all the beam results to obtain an average value of these selected beams, and then obtains the RSSI and/or channelOccupancy of the cell level.
  • the beam results may be selected according to at least one of the following conditions: selecting N beams with the best measurement results; selecting all beams; selecting beams that are greater than a threshold value; selecting beams with RSRPs greater than a threshold; or selecting beams with the N best measurement results in the RSRP values.
  • An embodiment of the present disclosure provides an interference finding method. As shown in FIG. 4 , the method includes the steps described below.
  • step S 301 measurement configuration information configured by a transmitting device is received.
  • step S 302 a receiving measurement is performed on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • step S 303 radio link quality is evaluated according to a measurement report obtained based on the receiving measurement.
  • the step in which the radio link quality is evaluated according to the measurement report obtained based on the receiving measurement may include a step described below.
  • the terminal after receiving the RLM configuration in the measurement configuration information, the terminal performs the radio link monitoring (RLM) to evaluate the radio link quality, thereby monitoring interference of a carrier and the probability of preempting the carrier.
  • RLM radio link monitoring
  • the RLM configuration may include the interference of the carrier and the probability of preempting the carrier.
  • the RLM configuration performed by the base station includes at least one of:
  • the base station may configure the terminal to monitor the interference of the carrier and the probability of preempting the carrier.
  • the base station may also configure whether the terminal is to monitor the interference of the carrier and the probability of preempting the carrier.
  • the base station may also configure the moment/symbol, including period, offset, duration, etc., measured by the terminal during the RLM; for example, each radio link monitoring reference signal (RLM-RS) has a different measurement moment/symbol; as another example, all RLM-RSs have a same measurement moment/symbol.
  • RLM-RS radio link monitoring reference signal
  • the base station configures an RSSI threshold for instructing the out-of-synchronization.
  • the base station configures a channelOccupancy threshold for instructing the out-of-synchronization.
  • the base station configures an RSSI threshold for instructing synchronization.
  • the base station configures a channelOccupancy threshold for instructing synchronization.
  • the terminal After receiving the configuration information, the terminal performs the RLM.
  • the terminal may calculate the RSSI and/or the channel occupancy respectively at each measurement moment/symbol. If all RSSIs in the evaluation period are greater than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, all channelOccupancies are greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), the out-of-synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the corresponding channelOccupancy threshold value 2 i.e., the first channel occupancy threshold value
  • the terminal may calculate the RSSI and/or the channel occupancy respectively at each measurement moment/symbol. If all RSSIs in the evaluation period are greater than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, all channelOccupancies are greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), and the radio link quality is less than the corresponding quality threshold value 3, the out-of-synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the corresponding channelOccupancy threshold value 2 i.e., the first channel occupancy threshold value
  • the terminal calculates one RSSI and one channelOccupancy at all measurement moments/symbols. If the RSSI is greater than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, the channelOccupancy is greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), the out-of-synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the channelOccupancy is greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value)
  • the out-of-synchronization is instructed to the high layer.
  • the terminal calculates one RSSI and one channelOccupancy at all measurement moments/symbols. If the RSSI is greater than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, the channelOccupancy is greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), and the radio link quality is less than the corresponding quality threshold value 3, the out-of-synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the channelOccupancy is greater than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value)
  • the radio link quality is less than the corresponding quality threshold value 3
  • the terminal may calculate the RSSI and/or the channel occupancy respectively at each measurement time/symbol. If all RSSIs in the evaluation period are less than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, all channelOccupancies are less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), the synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the corresponding channelOccupancy threshold value 2 i.e., the first channel occupancy threshold value
  • the terminal may calculate the RSSI and/or the channel occupancy respectively at each measurement time/symbol. If all RSSIs in the evaluation period are less than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, all channelOccupancies are less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), and the radio link quality is greater than the corresponding quality threshold value 3, the synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the corresponding channelOccupancy threshold value 2 i.e., the first channel occupancy threshold value
  • the terminal calculates one RSSI and one channelOccupancy at all measurement moments/symbols. If the RSSI is less than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, the channelOccupancy is less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), the synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the channelOccupancy is less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value)
  • the synchronization is instructed to the high layer.
  • the terminal calculates one RSSI and one channelOccupancy at all measurement moments/symbols. If the RSSI is less than the corresponding RSSI threshold value 1 (i.e., the first received signal strength threshold value), and/or, the channelOccupancy is less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value), and the radio link quality is greater than the corresponding quality threshold value 3, the synchronization is instructed to the high layer.
  • the corresponding RSSI threshold value 1 i.e., the first received signal strength threshold value
  • the channelOccupancy is less than the corresponding channelOccupancy threshold value 2 (i.e., the first channel occupancy threshold value)
  • the radio link quality is greater than the corresponding quality threshold value 3
  • an out-of-synchronization instruction may carry a reason, for example, the monitored interference is relatively large, and/or the preempting probability of the carrier is relatively small, and/or the RSSI is relatively large, and/or the channelOccupancy is relatively large.
  • a carrier selection may be triggered.
  • An embodiment of the present disclosure provides an interference finding method. As shown in FIG. 5 , the method includes steps described below.
  • step S 401 measurement configuration information of a receiving device is configured.
  • step S 402 the measurement configuration information is sent to the receiving device; the measurement configuration information is used for instructing the receiving device to perform a receiving measurement on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • the method in the embodiment of the present disclosure is applied to a transmitting device, where the receiving device may also be described as a receiving-end device, may be a terminal in a communication system; and a transmitting device may also be described as a sending-end device, and may be a base station or a node in the communication system.
  • the measurement configuration information of the receiving device is configured, and the measurement configuration information is sent to the receiving device, so that the terminal may be instructed to perform the receiving measurement on the transmit beam associated with the measurement configuration information, the measurement technology for distinguishing interference in the beam level is achieved, thereby helping the transmitting device and the receiving device to find a suitable service beam, and also helping the transmitting device and the receiving device to monitor the spectrum load.
  • the method after sending the measurement configuration information to the receiving device, the method includes a step described below.
  • a measurement report which is associated with the transmit beam and reported by the receiving device is received.
  • the method further includes a step described below.
  • a threshold value for the receiving device evaluating radio link quality is configured, where the threshold value of the radio link quality includes a first received signal strength threshold value and/or a first channel occupancy threshold value.
  • the method further includes a step described below.
  • a threshold value for the receiving device evaluating the transmit beam is configured, where the threshold value of the transmit beam includes a second received signal strength threshold value and/or a second channel occupancy threshold value.
  • An embodiment of the present disclosure provides an interference finding apparatus. As shown in FIG. 6 , the apparatus includes a reception module 10 and a measurement module 12 .
  • the reception module 10 is configured to receive measurement configuration information configured by a transmitting device.
  • the measurement module 12 is configured to perform, according to the measurement configuration information, a receiving measurement on a transmit beam associated with the measurement configuration information, and the receiving measurement includes a received signal strength indicator and/or a channel occupancy. There is a communication connection between the receiving module and the measurement module.
  • the apparatus further includes a sending module, which is configured to report a measurement report which is associated with the transmit beam and obtained according to the receiving measurement.
  • the apparatus further includes an evaluation module, which is configured to evaluate radio link quality according to the measurement report obtained based on the receiving measurement.
  • the evaluation module is configured to determine out-of-synchronization in a case where the measurement report obtained according to the receiving measurement satisfies one of the following conditions that:
  • the apparatus further includes a determination module, which is configured to determine a serviceable beam according to the measurement report obtained based on the receiving measurement, where the serviceable beam satisfies one of the following conditions that:
  • An embodiment of the present disclosure provides an interference finding apparatus. As shown in FIG. 7 , the apparatus includes a configuration unit 20 and a sending unit 22 .
  • the configuration unit 20 is configured to configure measurement configuration information of a receiving device.
  • the sending unit 22 is configured to send the measurement configuration information to the receiving device; the measurement configuration information is used for instructing the receiving device to perform a receiving measurement on a transmit beam associated with the measurement configuration information.
  • the receiving measurement includes a received signal strength indicator and/or a channel occupancy.
  • the apparatus further includes a reception unit, which is configured to receive a measurement report which is associated with the transmit beam and reported by the receiving device.
  • the configuration unit 22 is further configured to configure a threshold value for the receiving device evaluating radio link quality, and the threshold value of the radio link quality includes a first received signal strength threshold value and/or a first channel occupancy threshold value.
  • the configuration unit 22 is further configured to configure a threshold value for the receiving device evaluating the transmit beam, and the threshold value of the transmit beam includes a second received signal strength threshold value and/or a second channel occupancy threshold value.
  • the receiving device includes a memory and a processor.
  • the memory is configured to store an interference finding computer program, and the processor executes the computer program to implement steps of the method of any one of the embodiments one to three.
  • the transmitting device includes a memory and a processor.
  • the memory is configured to store an interference finding computer program, and the processor executes the computer program to implement steps of the method of any one of embodiment four.
  • a computer-readable storage medium is provided in an embodiment of the present disclosure, where the computer-readable storage medium is configured to store a first interference finding computer program and a second interference finding computer program.
  • the first computer program is executable by at least one processor to implement the method of any one of the embodiments one to three.
  • the second computer program is executable by at least one processor to implement the method of any one of the embodiment four.
  • the term “comprising”, “including” or any other variant thereof is intended to encompass a non-exclusive inclusion so that a process, method, article or apparatus that includes a series of elements not only includes these elements but also includes other elements that are not expressly listed or are inherent to such a process, method, article or apparatus.
  • the elements defined by the statement “including a . . . ” do not exclude the presence of additional identical elements in the process, method, article or apparatus that includes the elements.
  • the method of any embodiment described above may be implemented by means of software plus a general-purpose hardware platform, or may of course be implemented by hardware.
  • the technical solution of the present application substantially, or the part contributing to the related art, may be embodied in the form of a software product.
  • the computer software product is stored in a storage medium (such as a read-only memory (ROM)/random access memory (RAM), a magnetic disk or an optical disk) and includes several instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air-conditioner, a network device or the like) to execute the method according to each embodiment of the present application.

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CN201810802444.5A CN110740452A (zh) 2018-07-20 2018-07-20 发现干扰的方法、装置、接收设备、发射设备及存储介质
PCT/CN2019/095725 WO2020015582A1 (zh) 2018-07-20 2019-07-12 发现干扰的方法、装置、接收设备、发射设备及存储介质

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